• Country
• United States of America (USA)

• Manufacturer / Brand
• High Frequency Laboratories (HFL); Chicago, IL

• Year
• 1931

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 44340

• Number of Tubes
• 4

• Valves / Tubes
• 235 224 247 280

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 110-120 Volt

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet.

• from Radiomuseum.org
• Model: Little Giant 400 - High Frequency Laboratories

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 260 x 350 x 180 mm / 10.2 x 13.8 x 7.1 inch

• Notes

• Similar model is the RPC Little Giant HFL-4.

• Price in first year of sale
• 25.00 $

• External source of data
• Ernst Erb

• Source of data
• Radio Collector`s Guide 1921-1932

• Mentioned in
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Other Models

• Here you find 32 models, 10 with images and 6 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from High Frequency Laboratories (HFL); Chicago, IL